Shaping formwork for foundation pile pouring

Abstract

The utility model discloses a shaping template for foundation pile casting, which comprises four arc-shaped support plates, the radian of each support plate is 90 degrees, the four support plates can be spliced to form a circular ring structure, one end of each support plate is vertically and fixedly connected with a dovetail strip, the other end of each support plate is provided with a dovetail groove, and the dovetail strip is connected with the dovetail groove. The dovetail strips are matched with the dovetail grooves, the bottom of each supporting plate is horizontally and fixedly connected with a limiting plate, and a limiting drill nail used for being nailed into a soil body is arranged on each limiting plate in a sliding and penetrating mode. According to the utility model, the shaping template can be quickly assembled and disassembled, the workload of workers is reduced, time and labor are saved, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of building construction, in particular to a shaped template for foundation pile casting. Background Art

[0002] The foundation pile is a supporting structure used to support or fix a building. It is usually made of steel bars and concrete. It provides stable supporting force by being buried deep underground or fixed on the ground. The foundation pile forming formwork is a mold structure used to achieve the plasticity of the foundation pile.

[0003] The fixed formwork in the related art usually includes a plurality of arc-shaped support plates, which can be spliced ​​into a ring structure. After the steel cage is lowered into the pile hole, the fixed formwork is fixed on the ground, and the top of the steel cage is located inside the fixed formwork. Subsequently, concrete is poured into the pile hole, and the concrete fills the pile hole and the fixed formwork. After the concrete is solidified, the fixed formwork is disassembled.

[0004] Then, in the related art, two adjacent support plates of the shaped formwork are usually fixed together by multiple fastening bolts. When the formwork is assembled and disassembled, it is necessary to tighten and loosen the multiple fastening bolts in turn, which is time-consuming and laborious, thus affecting the construction efficiency and needs to be improved. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a shaped template for foundation pile casting, which can realize rapid disassembly and assembly of the shaped template, saving time and labor, and improving construction efficiency.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a forming template for foundation pile casting, comprising four arc-shaped support plates, each of which has an arc of 90°, and the four support plates can be spliced ​​into a circular ring structure, one end of each support plate is vertically fixedly connected with a dovetail bar, and the other end is provided with a dovetail groove, and the dovetail bar matches the dovetail groove, and the bottom of each support plate is horizontally fixedly connected with a limit plate, and a limit pin for nailing into the soil is slidably penetrated on the limit plate.

[0007] In a preferred example, the utility model can be further configured as follows: the shaping template also includes a limiting ring, the limiting ring is located above the four support plates, four fastening screws are threadedly connected to the limiting ring, and the top of each support plate is respectively provided with a fastening groove for threaded engagement with the corresponding fastening screw.

[0008] In a preferred embodiment, the present utility model can be further configured as follows: Support rods are horizontally arranged on the outer side walls of each of the support plates respectively. One end of each support rod away from the corresponding support plate is fixedly connected with a support base respectively. A fixing pin for driving into the soil is slidably penetrated through each support base.

[0009] In a preferred embodiment, the present utility model can be further configured as follows: Guide rails are vertically and fixedly connected to the outer side walls of each of the support plates respectively. Guide frames are vertically and slidably connected to each of the guide rails respectively. And the four support rods are fixedly connected with the corresponding guide frames respectively.

[0010] In a preferred embodiment, the present utility model can be further configured as follows: The support rod includes an adjustment tube and an adjustment rod. The adjustment tube is fixedly connected with the guide frame. The adjustment rod is fixedly connected with the support base. The adjustment rod is slidably connected inside the adjustment tube. And a locking member for fixing the adjustment rod is arranged on the adjustment tube.

[0011] In a preferred embodiment, the present utility model can be further configured as follows: The locking member includes a locking screw threadedly connected to the adjustment tube. A plurality of locking grooves are formed on the adjustment rod. The plurality of locking grooves are arranged at equal intervals along the length direction of the adjustment rod. And the locking screw can be in threaded cooperation with any one of the locking grooves.

[0012] In a preferred embodiment, the present utility model can be further configured as follows: A weight reduction cavity is arranged inside the support plate. And a grid-shaped reinforcing rib plate is fixedly connected inside the weight reduction cavity.

[0013] In summary, the present utility model has the following beneficial effects:

[0014] 1. Since two adjacent support plates can be connected through the dovetail strips and dovetail grooves, rapid assembly and disassembly of the shaping template can be realized. Workers do not need to tighten and loosen a plurality of fastening bolts in sequence, reducing the work load of the workers, saving time and effort, and improving the construction efficiency.

[0015] 2. After the fixing pins are driven into the soil, the support rods can support the corresponding support plates in the horizontal direction, improving the structural strength of the shaping template and reducing the risk of displacement of the shaping template. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the embodiment;

[0017] Figure 2 is an exploded view of the embodiment;

[0018] Figure 3 is a cross-sectional view of the embodiment.

[0019] Reference signs: 1, support plate; 2, dovetail bar; 3, dovetail groove; 4, limit plate; 5, limit pin; 6, limit ring; 7, fastening screw; 8, fastening groove; 9, support rod; 91, adjusting tube; 92, adjusting rod; 10, support base; 11, fixing pin; 12, guide rail; 13, guide frame; 14, locking member; 141, locking screw; 142, locking groove; 15, weight reduction cavity; 16, reinforcing rib plate. Detailed implementation manners

[0020] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0021] Refer to Figure 1 、 Figure 2 , a sizing template for cast-in-place foundation piles, including four arc-shaped support plates 1, the radian of each support plate 1 is 90°, and the four support plates 1 can be spliced into a circular ring structure. One end of each support plate 1 is vertically and fixedly connected with a dovetail bar 2 respectively, and the other end is respectively provided with a dovetail groove 3, and the dovetail bar 2 and the dovetail groove 3 are matched, that is, the dovetail bars 2 on the four support plates 1 can be clamped and matched with the corresponding dovetail grooves 3, so as to realize the connection of the four support plates 1.

[0022] Refer to Figure 1 、 Figure 2 , a limit plate 4 is horizontally and fixedly connected to the bottom of each support plate 1 respectively, and a limit pin 5 for driving into the soil body is slidably penetrated through the limit plate 4. At the same time, the sizing template further includes a limit ring 6, the limit ring 6 is located above the four support plates 1, and four fastening screws 7 are threadedly connected to the limit ring 6, and a fastening groove 8 for threaded cooperation with the corresponding fastening screw 7 is respectively provided at the top of each support plate 1.

[0023] Insert the dovetail bars 2 on the four support plates 1 into the corresponding dovetail grooves 3 respectively, then connect the limit ring 6 with the four support plates 1, and then drive the four limit pins 5 into the soil body respectively, and then the pouring operation can be carried out. After the concrete is cured, the limit ring 6 is disassembled, and then, the multiple support plates 1 can be disassembled.

[0024] Since two adjacent support plates 1 can be connected through the dovetail bar 2 and the dovetail groove 3, realizing the rapid assembly and disassembly of the sizing template. Compared with fixing the support plates 1 by multiple bolts, this design enables the staff to avoid the operations of tightening and loosening multiple fastening bolts in sequence, reducing the workload of the staff, saving time and effort, and improving the construction efficiency.

[0025] Refer to Figure 1 、 Figure 3, a support rod 9 is horizontally arranged on the outer side wall of each support plate 1, and a support base 10 is fixedly connected to one end of each support rod 9 away from the corresponding support plate 1. A fixing dowel 11 is slidably penetrated through each support base 10. After the fixing dowel 11 is driven into the soil body, the support rod 9 can support the corresponding support plate 1 in the horizontal direction, improve the structural strength of the shaping formwork, and also reduce the risk of the shaping formwork shifting.

[0026] Refer to Figure 1 , Figure 3 , a guide rail 12 is vertically and fixedly connected to the outer side wall of each support plate 1, a guide frame 13 is vertically slidably connected to each guide rail 12, and the four support rods 9 are respectively fixedly connected to the corresponding guide frames 13. Since the heights of the support rod 9 and the support base 10 can be adjusted, when there are protrusions in the soil around the pile hole, the heights of components such as the support rod 9 can be adjusted to ensure that both the fixing dowel 11 and the limiting dowel 5 can be driven into the soil body.

[0027] Refer to Figure 1 , Figure 3 , the support rod 9 includes an adjusting tube 91 and an adjusting rod 92. The adjusting tube 91 is fixedly connected to the guide frame 13, the adjusting rod 92 is fixedly connected to the support base 10, the adjusting rod 92 is slidably connected inside the adjusting tube 91, and a locking member 14 for fixing the adjusting rod 92 is arranged on the adjusting tube 91. Since the overall length of the support rod 9 can be adjusted, the position of the fixing dowel 11 can be adjusted so that the fixing dowel 11 can avoid the soft soil layer around the pile hole and ensure that the fixing dowel 11 can be driven into the hard soil layer of the soil body.

[0028] Refer to Figure 1 , Figure 3 , the locking member 14 includes a locking screw 141 threadedly connected to the adjusting tube 91. A plurality of locking grooves 142 are formed on the adjusting rod 92, and the plurality of locking grooves 142 are arranged at equal intervals along the length direction of the adjusting rod 92, and the locking screw 141 can be threadedly engaged with any one of the locking grooves 142 to achieve rapid locking of the locking rod.

[0029] Refer to Figure 3 , a weight reduction cavity 15 is arranged inside the support plate 1 to achieve weight reduction of the support plate 1. At the same time, a grid-shaped reinforcing rib plate 16 is arranged inside the weight reduction cavity 15, and the reinforcing rib plate 16 is fixedly connected to the inner wall of the weight reduction cavity 15 to ensure the structural strength of the support plate 1 itself.

[0030] The specific embodiments are only explanations of the present invention, and they are not limitations on the present invention. Those skilled in the art can make modifications without creative contributions to the embodiments according to needs after reading this specification, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A shaped formwork for foundation pile casting, characterized in that: The invention comprises four arc-shaped support plates (1), each of which has an arc of 90°, and the four support plates (1) can be spliced ​​to form a circular ring structure, one end of each support plate (1) is vertically fixedly connected to a dovetail bar (2), and the other end is provided with a dovetail groove (3), and the dovetail bar (2) matches the dovetail groove (3), and the bottom of each support plate (1) is horizontally fixedly connected to a limit plate (4), and a limit pin (5) for being nailed into the soil is slidably penetrated on the limit plate (4).

2. The shaped formwork for foundation pile casting according to claim 1 is characterized in that: The shaping template also includes a limiting ring (6), which is located above the four support plates (1), and four fastening screws (7) are threadedly connected to the limiting ring (6), and a fastening groove (8) for threaded engagement with the corresponding fastening screw (7) is respectively provided on the top of each support plate (1).

3. The shaped formwork for foundation pile casting according to claim 1 is characterized in that: A support rod (9) is horizontally arranged on the outer side wall of each support plate (1), and one end of each support rod (9) away from the corresponding support plate (1) is fixedly connected to a support seat (10), and each support seat (10) is slidably penetrated by a fixing nail (11) for nailing into the soil.

4. The shaped formwork for foundation pile casting according to claim 3 is characterized in that: The outer side wall of each support plate (1) is respectively vertically fixedly connected to a guide rail (12), each guide rail (12) is respectively vertically slidably connected to a guide frame (13), and the four support rods (9) are respectively fixedly connected to the corresponding guide frame (13).

5. The shaped formwork for foundation pile casting according to claim 4, characterized in that: The support rod (9) comprises an adjustment tube (91) and an adjustment rod (92); the adjustment tube (91) is fixedly connected to the guide frame (13); the adjustment rod (92) is fixedly connected to the support seat (10); the adjustment rod (92) is slidably connected in the adjustment tube (91); and a locking member (14) is provided on the adjustment tube (91) for fixing the adjustment rod (92).

6. The shaped formwork for foundation pile casting according to claim 5, characterized in that: The locking member (14) comprises a locking screw (141) threadedly connected to the adjusting tube (91); a plurality of locking grooves (142) are provided on the adjusting rod (92); the plurality of locking grooves (142) are arranged at equal intervals along the length direction of the adjusting rod (92); and the locking screw (141) can be threadedly matched with any of the locking grooves (142).

7. The shaped formwork for foundation pile casting according to claim 1, characterized in that: A weight-reducing cavity (15) is provided inside the support plate (1), and a grid-shaped reinforcing rib plate (16) is fixedly connected inside the weight-reducing cavity (15).

Images